<template>
    <el-card>
    <div>
        <!-- 头顶 -->
        <el-breadcrumb separator="/" class="a">
            <!-- :to="{ path: '/users' }"  跳转 -->
            <el-breadcrumb-item :to="{ path: '/users' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>
            <!-- 2. 为 ECharts 准备一个具备大小（宽高）的 DOM -->
            <div id="main" style="width: 100%;  height:500px;"></div>
        </el-card>
    </div>
    </el-card>
</template>

<script>
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
    name: 'Xm01Ez',
    
    data() {
        const data = this.genData(50);
        return {
            options:{
            title: {
                text: '同名数量统计',
                subtext: '纯属虚构',
                left: 'center'
            },
            tooltip: {
                trigger: 'item',
                formatter: '{a} <br/>{b} : {c} ({d}%)'
            },
            legend: {
                type: 'scroll',
                orient: 'vertical',
                right: 10,
                top: 20,
                bottom: 20,
                data: data.legendData
            },
            series: [
                {
                name: '姓名',
                type: 'pie',
                radius: '55%',
                center: ['40%', '50%'],
                data: data.seriesData,
                emphasis: {
                    itemStyle: {
                    shadowBlur: 10,
                    shadowOffsetX: 0,
                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                    }
                }
                }
            ]
            }
        };
    },
        
     mounted() {
        var chartDom = document.getElementById('main');
        var myChart = echarts.init(chartDom);
        myChart.setOption(this.options)
    },

    methods: {
         genData(count) {
        // prettier-ignore
        const nameList = [
                '赵', '钱', '孙', '李', '周', '吴', '郑', '王', '冯', '陈', '褚', '卫', '蒋', '沈', '韩', '杨', '朱', '秦', '尤', '许', '何', '吕', '施', '张', '孔', '曹', '严', '华', '金', '魏', '陶', '姜', '戚', '谢', '邹', '喻', '柏', '水', '窦', '章', '云', '苏', '潘', '葛', '奚', '范', '彭', '郎', '鲁', '韦', '昌', '马', '苗', '凤', '花', '方', '俞', '任', '袁', '柳', '酆', '鲍', '史', '唐', '费', '廉', '岑', '薛', '雷', '贺', '倪', '汤', '滕', '殷', '罗', '毕', '郝', '邬', '安', '常', '乐', '于', '时', '傅', '皮', '卞', '齐', '康', '伍', '余', '元', '卜', '顾', '孟', '平', '黄', '和', '穆', '萧', '尹', '姚', '邵', '湛', '汪', '祁', '毛', '禹', '狄', '米', '贝', '明', '臧', '计', '伏', '成', '戴', '谈', '宋', '茅', '庞', '熊', '纪', '舒', '屈', '项', '祝', '董', '梁', '杜', '阮', '蓝', '闵', '席', '季', '麻', '强', '贾', '路', '娄', '危'
            ];
        const legendData = [];
        const seriesData = [];
        for (var i = 0; i < count; i++) {
            var name =
            Math.random() > 0.65
                ? makeWord(4, 1) + '·' + makeWord(3, 0)
                : makeWord(2, 1);
            legendData.push(name);
            seriesData.push({
            name: name,
            value: Math.round(Math.random() * 100000)
            });
        }
        return {
            legendData: legendData,
            seriesData: seriesData
        };
        function makeWord(max, min) {
            const nameLen = Math.ceil(Math.random() * max + min);
            const name = [];
            for (var i = 0; i < nameLen; i++) {
            name.push(nameList[Math.round(Math.random() * nameList.length - 1)]);
            }
            return name.join('');
        }
        }
    },
}
</script>

<style lang="scss" scoped>

</style>